 (defmacro condition
   [?base ?message & ?irritants]
   `(combine-conditions ~?base
-                       (make-who-condition (stack-trace-who (.getStackTrace (Thread/currentThread))))
+                       (if-cljs
+                        nil
+                        (make-who-condition (stack-trace-who (.getStackTrace (Thread/currentThread)))))
                        (make-message-condition ~?message)
                        (make-irritants-condition [~@?irritants]))))
 

  #?(:clj (:require [io.aviso.exception :as aviso-exception]
                    [io.aviso.columns :as aviso-columns]
                    [io.aviso.ansi :as aviso-ansi]
                    [clojure.string :as string]))
  #?(:cljs (:require-macros [active.clojure.condition 
                             :refer (define-condition-type assert condition raise guard throw-condition)]
                            [cljs.core :as core]))
  #?(:clj (:import clojure.lang.ExceptionInfo)))


             ;; TODO Waiting on http://dev.clojure.org/jira/browse/CLJ-865:
             ?line  (:line (meta &form))]
         `(when-not ~x
            (assertion-violation (if-cljs
                                  nil
                                  (stack-trace-who (.getStackTrace (Thread/currentThread))))
                                 (str "Assert failed: " ~message)
                                 (make-location-condition '~?ns ~?file ~?line)
                                 '~x)))))))
